TERMIUM Plus®

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MODAL ANALYSIS [1 record]

Record 1 2011-04-27

English

Subject field(s)
  • Petrography
  • Mineralogy
  • Geochemistry
DEF

... a basic petrographic method for determination of mineralogical composition and grain-size distribution of rocks.

OBS

Two types of data series can be obtained by this method: 1 relative quantity of rock forming minerals, and 2 grain-size distribution of the studied rock.

French

Domaine(s)
  • Pétrographie
  • Minéralogie
  • Géochimie
CONT

L'analyse modale d'une roche est la détermination la plus exacte possible de sa composition minéralogique quantitative. Elle conduit à attribuer à chaque minéral un certain pourcentage (en volume) de la roche.

Spanish

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